The routing ioctls documentation incorrectly describes the 'which'
field, due to a bad copy & paste. Fix it.
Fixes: ea73eda508 ("media: Documentation: Add GS_ROUTING documentation")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Multiple subdev ioctls that take a 'which' field do not document the
error returned when the field has an invalid value. Expand the
documentation to fix this.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Add mention that successful VIDIOC_SUBDEV_G_ROUTING call will update
'num_routes' and remove mention about non-existing streams, which is
incorrect.
Fixes: ea73eda508 ("media: Documentation: Add GS_ROUTING documentation")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Add documentation for VIDIOC_SUBDEV_G/S_ROUTING ioctl and add
description of multiplexed media pads and internal routing to the
V4L2-subdev documentation section.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
